Kointax.ioKointax.io

Crypto Tax Blog

Practical guides, legal updates and strategies to correctly report your cryptocurrencies in Spain.

aave
compound
prestamos

Aave and Compound in Spain: taxes on DeFi loans and collateral

Aave and Compound are the largest DeFi lending protocols. Complete tax guide for Spanish users.

Equipo kointax10 Jun 2026· 4 min
flash-loans
defi
impuestos

Flash loans in DeFi: do they have tax implications in Spain?

Flash loans are instant uncollateralized loans in DeFi. Guide on whether they have tax implications in Spain.

Equipo kointax29 May 2026· 4 min
inmueble
piso
bitcoin

Buying a flat with Bitcoin in Spain: taxes when using crypto for real estate

Paying for a property with Bitcoin in Spain generates IRPF and ITP tax obligations. Complete guide.

Equipo kointax26 May 2026· 5 min
usdt
usdc
tether

USDT, USDC and stablecoins in Spain: do you need to declare gains to Hacienda?

Stablecoins (USDT, USDC, DAI) are cryptocurrencies. Guide on tax obligations in Spain.

Equipo kointax23 May 2026· 4 min
solana
nft
impuestos

NFTs on Solana in Spain: how to declare buying, selling and minting NFTs on Solana

NFTs on Solana (Tensor, Magic Eden) have their own tax specificities. Guide for Spanish users.

Equipo kointax20 May 2026· 4 min
p2p
binance
trading

Binance P2P trading in Spain: are peer-to-peer buy/sell operations taxable?

Binance P2P and other P2P platforms allow buying crypto directly between individuals. Tax implications guide for Spain.

Equipo kointax17 May 2026· 4 min
margin-trading
apalancamiento
impuestos

Margin trading of cryptocurrencies in Spain: how to declare leveraged operations

Margin trading (leveraged trading) in crypto has specific tax rules. Complete guide for Spain.

Equipo kointax11 May 2026· 4 min
uniswap
dex
impuestos

Uniswap in Spain: how to declare swaps and liquidity provision on the largest DEX

Uniswap is the largest DEX by volume. Complete tax guide for Spanish users: swaps, LPs, UNI rewards.

Equipo kointax5 May 2026· 4 min
mineria
bitcoin
solar

Bitcoin mining at home with solar energy in Spain: how is it taxed?

Home Bitcoin mining with solar panels is growing in Spain. Guide on taxation of this activity.

Equipo kointax2 May 2026· 5 min
ethereum
staking
withdrawal

Ethereum staking and withdrawals in Spain: how to declare ETH staking rewards

Ethereum staking has unique features after The Merge and withdrawal enablement. Complete tax guide.

Equipo kointax29 Apr 2026· 5 min
impermanent-loss
defi
liquidity

Impermanent loss in DeFi in Spain: how to declare it and whether it's deductible

Impermanent loss is one of the most complex DeFi concepts. Guide on its tax treatment in Spain.

Equipo kointax26 Apr 2026· 5 min
donacion
regalo
bitcoin

Gifting or donating Bitcoin in Spain: taxes paid by donor and recipient

Gifting crypto has tax implications for both the giver and receiver. Complete guide.

Equipo kointax20 Apr 2026· 5 min